MAINTAINERS: Update Alexey Makhalov's email address

Fix a typo in an email address.

Closes: https://lore.kernel.org/all/20240925-rational-succinct-vulture-cca9fb@lemur/T/


Reported-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Reported-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Alexey Makhalov <alexey.makhalov@broadcom.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/20250318004031.2703923-1-alexey.makhalov@broadcom.com